| Code | Name | High | Low | Close | Volume | Change | |
| IAAC | International Assets Holding Corporation | 16.74 | 16.55 | 16.60 | 14,400 | 0.06 |  | 0.36 | 5 |
| IACI | IAC/InterActiveCorp | 23.95 | 23.59 | 23.89 | 1,946,000 | 0.24 |  | 1.01 | 6 |
| IART | Integra LifeSciences Holdings | 43.39 | 42.43 | 43.30 | 180,600 | 0.97 |  | 2.29 | 7 |
| IBAS | iBasis Inc. | 3.010 | 2.990 | 3.000 | 474,600 | 0.020 |  | 0.67 | 7 |
| IBB | ISHARE NQ BIOTCH INX | 91.19 | 90.26 | 91.04 | 460,100 | 0.47 |  | 0.52 | 7 |
| IBCA | Intervest Bancshares Corp. | 4.000 | 3.900 | 3.900 | 7,500 | 0.100 |  | 2.50 | 6 |
| IBCP | Independent Bank Corporation | 0.7700 | 0.7200 | 0.7700 | 35,500 | 0.0500 |  | 6.94 | 7 |
| IBCPO | Independent Bank Corporation | 15.49 | 14.98 | 15.35 | 6,800 | 0.10 |  | 0.66 | 6 |
| IBKC | IBERIABANK Corporation | 60.50 | 59.76 | 60.41 | 124,600 | 0.27 |  | 0.45 | 7 |
| IBKR | Interactive Brokers Group Inc. | 16.43 | 16.23 | 16.42 | 149,600 | 0.10 |  | 0.61 | 4 |
| IBNK | Integra Bank Corporation | 0.7400 | 0.7100 | 0.7400 | 44,800 | 0.0200 |  | 2.78 | 6 |
| IBOC | International Bancshares Corporation | 23.10 | 22.55 | 23.09 | 148,000 | 0.41 |  | 1.81 | 6 |
| ICAD | icad inc. | 1.440 | 1.390 | 1.400 | 108,300 | 0.000 |  | 0.00 | 5 |
| ICCC | ImmuCell Corporation | 3.580 | 3.580 | 3.580 | 100 | 0.420 |  | 10.50 | 6 |
| ICFI | ICF International Inc. | 23.57 | 23.06 | 23.38 | 150,800 | 0.29 |  | 1.23 | 4 |
| ICGE | Internet Capital Group Inc. | 7.520 | 7.000 | 7.500 | 353,800 | 0.440 |  | 6.23 | 6 |
| ICGN | Icagen Inc. | 0.8900 | 0.6800 | 0.7500 | 6,862,800 | 0.2100 |  | 38.89 | 7 |
| ICLK | INTERCLICK INC | 3.940 | 3.850 | 3.890 | 40,800 | 0.050 |  | 1.27 | 6 |
| ICLN | iShares S&P Global Clean Energy Index | 18.88 | 18.70 | 18.79 | 17,400 | 0.06 |  | 0.32 | 5 |
| ICLR | ICON plc | 24.68 | 24.01 | 24.68 | 682,900 | 1.04 |  | 4.40 | 6 |
| ICOC | ICO Inc. | 8.390 | 8.320 | 8.370 | 87,000 | 0.010 |  | 0.12 | 7 |
| ICOG | ICO Global Communications Holdings DE | 1.220 | 1.150 | 1.180 | 154,200 | 0.000 |  | 0.00 | 7 |
| ICON | Iconix Brand Group Inc. | 15.28 | 15.08 | 15.25 | 280,400 | 0.03 |  | 0.20 | 5 |
| ICOP | ICOP Digital Inc. | 0.3500 | 0.3300 | 0.3500 | 26,300 | 0.0000 |  | 0.00 | 5 |
| ICOPW | ICOP Digital Inc. | 0.0100 | 0.0100 | 0.0100 | 1,000 | 0.0000 |  | 0.00 | 5 |
| ICTG | ICT Group Inc. | 16.01 | 15.87 | 15.97 | 29,300 | 0.09 |  | 0.57 | 5 |
| ICUI | ICU Medical Inc. | 35.62 | 35.11 | 35.55 | 37,600 | 0.16 |  | 0.45 | 6 |
| ICXT | ICx Technologies Inc. | 7.760 | 7.350 | 7.670 | 86,200 | 0.150 |  | 1.99 | 5 |
| IDCC | InterDigital Inc. | 28.34 | 27.20 | 27.53 | 908,000 | 0.03 |  | 0.11 | 5 |
| IDIX | Idenix Pharmaceuticals Inc. | 2.870 | 2.770 | 2.850 | 148,100 | 0.030 |  | 1.06 | 7 |
| IDRA | Idera Pharmaceuticals Inc. | 5.000 | 4.850 | 4.950 | 16,800 | 0.040 |  | 0.80 | 6 |
| IDSA | Industrial Services of America Inc. | 12.29 | 11.42 | 12.24 | 45,900 | 0.51 |  | 4.35 | 6 |
| IDSY | I.D. Systems Inc. | 3.060 | 2.890 | 2.940 | 24,800 | 0.000 |  | 0.00 | 4 |
| IDTI | Integrated Device Technology Inc. | 6.150 | 5.950 | 6.120 | 3,091,700 | 0.160 |  | 2.68 | 6 |
| IDXX | IDEXX Laboratories Inc. | 57.26 | 56.34 | 56.51 | 484,900 | 0.11 |  | 0.19 | 7 |
| IESC | Integrated Electrical Services Inc. | 5.490 | 5.370 | 5.450 | 16,600 | 0.090 |  | 1.68 | 5 |
| IFAS | iShares FTSE EPRA/NAREIT Asia Index Fund | 29.22 | 28.95 | 29.22 | 3,000 | 0.47 |  | 1.63 | 4 |
| IFEU | iShares FTSE EPRA/NAREIT Europe Index | 28.59 | 28.54 | 28.59 | 600 | 0.39 |  | 1.38 | 5 |
| IFGL | iShares FTSE EPRA/NAREIT Global Real | 29.27 | 28.95 | 29.27 | 25,800 | 0.35 |  | 1.21 | 5 |
| IFLG | InfoLogix Inc. | 7.350 | 6.900 | 7.280 | 66,300 | 0.010 |  | 0.14 | 4 |
| IFLGD | INFOLOGIX INC. | 2.450 | 2.300 | 2.350 | 8,200 | 0.200 |  | 7.84 | 5 |
| IFNA | iShares FTSE EPRA/NAREIT North America | 35.85 | 34.96 | 35.67 | 2,100 | 0.82 |  | 2.35 | 6 |
| IFON | InfoSonics Corp | 1.180 | 1.110 | 1.140 | 23,000 | 0.000 |  | 0.00 | 5 |
| IFSB | Independence Federal Savings Bank | 1.620 | 1.530 | 1.540 | 4,400 | 0.190 |  | 14.07 | 6 |
| IFSIA | Interface Inc. | 11.20 | 10.81 | 10.97 | 611,400 | 0.22 |  | 1.97 | 7 |
| IFSM | iShares FTSE Developed Small Cap | 34.03 | 33.64 | 33.99 | 2,200 | 0.44 |  | 1.31 | 6 |
| IGLD | Internet Gold Golden Lines Ltd. | 31.60 | 30.01 | 31.27 | 49,300 | 0.13 |  | 0.42 | 7 |
| IGOI | iGo Inc | 1.720 | 1.520 | 1.590 | 1,868,400 | 0.100 |  | 6.71 | 7 |
| IGOV | ISHARES TRUST | 102.5 | 101.8 | 102.5 | 15,200 | 0.7 |  | 0.72 | 5 |
| IGTE | iGATE Corporation | 9.870 | 9.610 | 9.830 | 160,600 | 0.040 |  | 0.41 | 5 |
| III | Information Services Group Inc. | 3.580 | 3.420 | 3.480 | 15,400 | 0.040 |  | 1.14 | 6 |
| IIIIU | Information Services Group Inc. | 3.000 | 3.000 | 3.000 | 300 | 0.390 |  | 14.94 | 6 |
| IIIIW | Information Services Group Inc. | 0.0400 | 0.0400 | 0.0400 | 41,900 | 0.0000 |  | 0.00 | 5 |
| IIIN | Insteel Industries Inc. | 11.35 | 10.87 | 11.07 | 15,900 | 0.21 |  | 1.86 | 4 |
| IIJI | Internet Initiative Japan Inc. | 5.720 | 5.670 | 5.670 | 8,200 | 0.030 |  | 0.53 | 5 |
| IILG | INTERVAL LEISURE WI | 14.92 | 14.48 | 14.72 | 123,400 | 0.11 |  | 0.74 | 7 |
| IIN | IntriCon Corporation | 3.260 | 3.250 | 3.250 | 1,000 | 0.100 |  | 3.17 | 5 |
| IIVI | II-VI Incorporated | 33.47 | 33.16 | 33.44 | 81,600 | 0.04 |  | 0.12 | 5 |
| IKAN | Ikanos Communications Inc. | 2.580 | 2.500 | 2.550 | 38,900 | 0.010 |  | 0.39 | 6 |
| IKNX | Ikonics Corporation | 6.800 | 6.440 | 6.680 | 9,200 | 0.280 |  | 4.38 | 5 |
| ILMN | Illumina Inc. | 40.34 | 39.75 | 40.15 | 1,629,000 | 0.17 |  | 0.43 | 7 |
| IMAX | Imax Corporation | 15.64 | 15.18 | 15.56 | 1,482,200 | 0.11 |  | 0.71 | 5 |
| IMGN | ImmunoGen Inc. | 7.390 | 7.100 | 7.390 | 220,700 | 0.050 |  | 0.68 | 4 |
| IMKTA | Ingles Markets Incorporated | 14.95 | 14.75 | 14.91 | 15,100 | 0.13 |  | 0.88 | 4 |
| IMMR | Immersion Corporation | 4.530 | 4.330 | 4.390 | 71,800 | 0.140 |  | 3.09 | 6 |
| IMMU | Immunomedics Inc. | 3.640 | 3.510 | 3.610 | 387,200 | 0.040 |  | 1.12 | 7 |
| IMOS | ChipMOS TECHNOLOGIES (Bermuda) LTD. | 0.7500 | 0.7000 | 0.7300 | 298,100 | 0.0200 |  | 2.82 | 6 |
| INAP | Internap Network Services Corporation | 6.040 | 5.920 | 6.010 | 447,900 | 0.010 |  | 0.17 | 7 |
| INCB | Indiana Community Bancorp | 9.440 | 9.080 | 9.360 | 3,100 | 0.000 |  | 0.00 | 4 |
| INCY | Incyte Corporation | 13.05 | 12.85 | 12.99 | 1,349,200 | 0.01 |  | 0.08 | 5 |
| INDB | Independent Bank Corp. | 25.97 | 25.37 | 25.79 | 75,300 | 0.07 |  | 0.27 | 6 |
| INDM | United America Indemnity Ltd. | 9.000 | 8.670 | 8.940 | 65,200 | 0.230 |  | 2.64 | 5 |
| INDY | - YAHOO! FINANCE | 26.25 | 26.12 | 26.25 | 24,200 | 0.45 |  | 1.74 | 6 |
| INET | Internet Brands Inc. | 8.460 | 8.280 | 8.370 | 39,800 | 0.090 |  | 1.06 | 6 |
| INFA | Informatica Corporation | 27.27 | 26.95 | 27.24 | 642,900 | 0.16 |  | 0.59 | 6 |
| INFI | Infinity Pharmaceuticals Inc. | 6.290 | 6.190 | 6.270 | 17,300 | 0.060 |  | 0.97 | 5 |
| INFN | Infinera Corporation | 8.250 | 8.120 | 8.240 | 311,500 | 0.070 |  | 0.86 | 5 |
| INFY | Infosys Technologies Limited | 60.17 | 59.59 | 60.12 | 926,800 | 0.61 |  | 1.03 | 6 |
| INHX | Inhibitex Inc. | 1.390 | 1.280 | 1.380 | 131,700 | 0.010 |  | 0.72 | 6 |
| ININ | Interactive Intelligence Inc. | 19.42 | 18.95 | 19.37 | 76,300 | 0.07 |  | 0.36 | 7 |
| INMD | IntegraMed America Inc. | 8.260 | 7.900 | 8.150 | 12,600 | 0.250 |  | 3.16 | 7 |
| INOC | Innotrac Corporation | 1.510 | 1.510 | 1.510 | 2,400 | 0.060 |  | 3.82 | 4 |
| INOD | Innodata Isogen Inc | 4.370 | 4.200 | 4.230 | 93,200 | 0.140 |  | 3.20 | 5 |
| INPH | Interphase Corporation | 2.940 | 2.480 | 2.800 | 41,000 | 0.340 |  | 13.82 | 7 |
| INSM | Insmed Inc. | 1.160 | 1.090 | 1.160 | 1,265,300 | 0.070 |  | 6.42 | 6 |
| INSP | InfoSpace Inc. | 11.58 | 11.44 | 11.45 | 86,300 | 0.10 |  | 0.87 | 6 |
| INSU | Insituform Technologies Inc. | 27.48 | 26.90 | 27.09 | 231,700 | 0.24 |  | 0.88 | 5 |
| INSW | InsWeb Corporation | 4.850 | 4.460 | 4.470 | 22,000 | 0.160 |  | 3.46 | 6 |
| INTC | Intel Corporation | 22.04 | 21.20 | 22.01 | 122,870,600 | 0.84 |  | 3.97 | 6 |
| INTG | Intergroup Corporation (The) | 10.31 | 10.30 | 10.30 | 200 | 0.00 |  | 0.00 | 5 |
| INTT | inTest Corporation | 1.460 | 1.320 | 1.460 | 25,600 | 0.060 |  | 4.29 | 6 |
| INTU | Intuit Inc. | 34.75 | 34.48 | 34.64 | 2,424,400 | 0.00 |  | 0.00 | 6 |
| INTX | Intersections Inc. | 4.590 | 4.530 | 4.550 | 18,600 | 0.070 |  | 1.52 | 5 |
| INVE | SCM MICROSYSTEMS INC. | 1.840 | 1.580 | 1.800 | 4,400 | 0.040 |  | 2.17 | 4 |
| INWK | InnerWorkings Inc. | 5.270 | 5.040 | 5.150 | 332,400 | 0.050 |  | 0.96 | 6 |
| INXI | INX Inc. | 5.170 | 4.970 | 4.970 | 6,400 | 0.160 |  | 3.12 | 4 |
| IOSP | Innospec Inc. | 11.33 | 10.99 | 11.01 | 56,300 | 0.02 |  | 0.18 | 8 |
| IPAR | Inter Parfums Inc. | 15.13 | 14.38 | 15.13 | 116,000 | 0.54 |  | 3.70 | 6 |
| IPAS | iPass Inc. | 1.200 | 1.130 | 1.200 | 416,800 | 0.060 |  | 5.26 | 6 |
| IPCC | Infinity Property and Casualty | 45.53 | 44.39 | 45.53 | 49,000 | 0.96 |  | 2.15 | 5 |
| IPCI | INTELLIPHARMACEUTICS INTERNATIO- | 3.540 | 3.100 | 3.180 | 455,400 | 0.040 |  | 1.24 | 6 |
| IPCM | IPC The Hospitalist Company Inc. | 33.53 | 32.88 | 32.99 | 74,400 | 0.47 |  | 1.40 | 7 |
| IPGP | IPG Photonics Corporation | 16.04 | 15.63 | 16.04 | 83,300 | 0.32 |  | 2.04 | 4 |
| IPHS | Innophos Holdings Inc. | 26.77 | 25.64 | 26.75 | 464,500 | 1.03 |  | 4.00 | 4 |
| IPII | Imperial Industries Inc. | 0.6200 | 0.3700 | 0.4500 | 207,200 | 0.2100 |  | 31.82 | 5 |
| IPSU | Imperial Sugar Company | 15.32 | 15.00 | 15.28 | 126,000 | 0.05 |  | 0.33 | 6 |
| IPXL | Impax Laboratories, Inc. | 17.36 | 16.87 | 16.95 | 839,400 | 0.28 |  | 1.63 | 6 |
| IRBT | iRobot Corporation | 16.22 | 15.46 | 16.04 | 135,800 | 0.44 |  | 2.82 | 6 |
| IRDM | GHL ACQUISITION CORP | 8.450 | 7.800 | 7.920 | 821,800 | 0.380 |  | 4.58 | 6 |
| IRDMU | GHL ACQUISITION CP | 9.380 | 9.290 | 9.290 | 600 | 0.460 |  | 4.72 | 6 |
| IRDMW | GHL ACQUISITION CORP | 2.700 | 2.550 | 2.550 | 3,000 | 0.350 |  | 12.07 | 5 |
| IRDMZ | IRIDIUM COMMUNICATIO INC | 1.550 | 1.550 | 1.550 | 400 | 0.000 |  | 0.00 | 5 |
| IRET | Investors Real Estate Trust | 9.070 | 8.970 | 9.070 | 229,000 | 0.000 |  | 0.00 | 6 |
| IRETP | Investors Real Estate Trust | 25.50 | 24.80 | 24.85 | 6,700 | 0.65 |  | 2.55 | 6 |
| IRIS | IRIS International Inc. | 10.49 | 10.32 | 10.42 | 36,000 | 0.04 |  | 0.38 | 5 |
| IRIX | IRIDEX Corporation | 4.180 | 4.030 | 4.050 | 42,600 | 0.060 |  | 1.50 | 7 |
| IRSN | Irvine Sensors Corporation | 0.4300 | 0.3600 | 0.3700 | 322,700 | 0.0200 |  | 5.13 | 4 |
| IRWD | IRONWOOD PHARMACEUTICALS INC. | 14.42 | 13.94 | 14.33 | 292,700 | 0.29 |  | 2.07 | 4 |
| ISBC | Investors Bancorp Inc. | 13.81 | 13.69 | 13.81 | 259,500 | 0.08 |  | 0.58 | 7 |
| ISCA | International Speedway Corporation | 26.44 | 26.15 | 26.37 | 63,600 | 0.12 |  | 0.46 | 5 |
| ISHG | ISHARES TRUST | 102.7 | 102.2 | 102.7 | 2,400 | 0.7 |  | 0.69 | 5 |
| ISIG | Insignia Systems Inc. | 6.010 | 5.850 | 5.910 | 39,700 | 0.090 |  | 1.50 | 5 |
| ISIL | Intersil Corporation | 15.42 | 14.88 | 15.34 | 2,587,700 | 0.41 |  | 2.75 | 5 |
| ISIS | Isis Pharmaceuticals Inc. | 9.940 | 9.640 | 9.800 | 1,583,900 | 0.070 |  | 0.71 | 6 |
| ISLE | Isle of Capri Casinos Inc. | 7.400 | 7.110 | 7.400 | 167,700 | 0.100 |  | 1.37 | 7 |
| ISLN | Isilon Systems Inc. | 8.550 | 8.300 | 8.420 | 86,600 | 0.060 |  | 0.71 | 5 |
| ISNS | Image Sensing Systems Inc. | 14.68 | 14.00 | 14.45 | 13,800 | 0.40 |  | 2.85 | 7 |
| ISPH | Inspire Pharmaceuticals Inc. | 6.690 | 6.220 | 6.300 | 711,900 | 0.310 |  | 4.69 | 7 |
| ISRG | Intuitive Surgical Inc. | 358.6 | 354.2 | 355.5 | 288,200 | 0.5 |  | 0.14 | 6 |
| ISRL | Isramco Inc. | 78.00 | 68.00 | 70.96 | 2,300 | 9.14 |  | 11.41 | 5 |
| ISSC | Innovative Solutions and Support Inc. | 5.100 | 4.370 | 4.850 | 67,600 | 0.490 |  | 11.24 | 5 |
| ISSI | Integrated Silicon Solution Inc. | 7.500 | 7.290 | 7.480 | 341,300 | 0.010 |  | 0.13 | 6 |
| ISTA | ISTA Pharmaceuticals Inc. | 4.000 | 3.700 | 3.950 | 220,500 | 0.130 |  | 3.40 | 4 |
| ISYS | Integral Systems Inc. | 9.770 | 9.440 | 9.680 | 92,400 | 0.200 |  | 2.11 | 4 |
| ITIC | Investors Title Company | 36.57 | 35.15 | 36.22 | 4,300 | 1.46 |  | 4.20 | 6 |
| ITMN | InterMune Inc. | 38.38 | 37.42 | 37.73 | 896,300 | 0.05 |  | 0.13 | 7 |
| ITRI | Itron Inc. | 69.99 | 68.86 | 69.75 | 511,200 | 0.35 |  | 0.50 | 6 |
| ITRN | Ituran Location and Control Ltd. | 16.61 | 15.50 | 16.20 | 191,100 | 0.11 |  | 0.67 | 7 |
| ITWO | i2 Technologies Inc. | 19.84 | 19.55 | 19.73 | 714,400 | 0.06 |  | 0.30 | 5 |
| IUSA | infoGROUP Inc. | 7.940 | 7.910 | 7.940 | 601,700 | 0.010 |  | 0.13 | 6 |
| IVAC | Intevac Inc. | 14.74 | 14.27 | 14.40 | 86,400 | 0.24 |  | 1.64 | 6 |
| IVAN | Ivanhoe Energy Inc. | 3.890 | 3.570 | 3.710 | 2,850,600 | 0.080 |  | 2.11 | 5 |
| IXYS | IXYS Corporation | 9.100 | 8.940 | 9.040 | 39,000 | 0.010 |  | 0.11 | 6 |